Create

@strawchemy.create_input builds an input type from a model; strawchemy.create turns it into a mutation field that inserts new records.

Creating a record

@strawchemy.create_input(Post, include=["title", "content", "views"])
class PostCreateInput: ...


@strawberry.type
class Mutation:
    create_post: PostType = strawchemy.create(PostCreateInput)

createPost takes one data object and returns the record it inserted:

mutation {
    createPost(data: { title: "Hello", content: "My first post", views: 0 }) {
        id
        title
    }
}

Creating several records

@strawberry.type
class Mutation:
    create_post: PostType = strawchemy.create(PostCreateInput)
    create_posts: list[PostType] = strawchemy.create(PostCreateInput)  

createPosts takes a list of data objects and inserts all of them in one operation:

mutation {
    createPosts(
        data: [
            { title: "Hello", content: "My first post", views: 0 }
            { title: "GraphQL basics", content: "An intro to GraphQL", views: 0 }
        ]
    ) {
        id
        title
    }
}